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Peritoneal dialysis during congenital heart surgery admissions: insights from a large database

  • Rohit S. Loomba (a1), Enrique G. Villarreal (a2) (a3), Ronald A. Bronicki (a2) and Saul Flores (a2)

Abstract

Background:

The management of fluid overload after congenital heart surgery has been limited to diuretics, fluid restriction, and dialysis. This study was conducted to determine the association between peritoneal dialysis and important clinical outcomes in children undergoing congenital heart surgery.

Methods:

A retrospective review was conducted to identify patients under 18 years of age who underwent congenital heart surgery. The data were obtained over a 16-year period (1997–2012) from the Kids’ Inpatient Database. Data analysed consisted of demographics, diagnoses, type of congenital heart surgery, length of stay, cost of hospitalisation, and mortality. Logistic regression was performed to determine factors associated with peritoneal dialysis.

Results:

A total of 46,176 admissions after congenital heart surgery were included in the study. Of those, 181 (0.4%) utilised peritoneal dialysis. The mean age of the peritoneal dialysis group was 7.6 months compared to 39.6 months in those without peritoneal dialysis. The most common CHDs were atrial septal defect (37%), ventricular septal defect (32.6%), and hypoplastic left heart syndrome (18.8%). Univariate analyses demonstrated significantly greater length of stay, cost of admission, and mortality in those with peritoneal dialysis. Regression analyses demonstrated that peritoneal dialysis was independently associated with significant decrease in cost of admission (−$57,500) and significant increase in mortality (odds ratio 1.5).

Conclusions:

Peritoneal dialysis appears to be used in specific patient subsets and is independently associated with decreased cost of stay, although it is associated with increased mortality. Further studies are needed to describe risks and benefit of peritoneal dialysis in this population.

Copyright

Corresponding author

Author for correspondence: E. G. Villarreal, MD, Cardiac Intensive Care Unit, Section of Critical Care and Cardiology, Research Scholar, Texas Children’s Hospital/Baylor College of Medicine, 6651 S. Main St, MCE 1420, Suite E. 1460.31A., Houston, TX77030, USA. Tel: +1 312 282 6935; Fax: +1 832 825 2969. E-mail: quique_villarreal93@hotmail.com; noyola@bcm.edu

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Keywords

Peritoneal dialysis during congenital heart surgery admissions: insights from a large database

  • Rohit S. Loomba (a1), Enrique G. Villarreal (a2) (a3), Ronald A. Bronicki (a2) and Saul Flores (a2)

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